27 citations
,
September 2012 in “Dermatologic Clinics” The document concludes that using specific tools and tests is essential for identifying the cause of hair loss and deciding on the right treatment.
12 citations
,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
10 citations
,
February 2020 in “Endocrine” Finasteride safely treats hair loss without harming hormones or reproduction, but may slightly reduce sexual function.
August 2023 in “Journal of Cosmetic Dermatology” Exosomes from hair papilla cells and the Chinese medicine Liao Tuo Fang can potentially promote hair growth and could be used to develop hair growth drugs.
January 2013 in “Juui rinshou hifuka” A Toy Poodle with hair loss regrew hair after being treated with melatonin and finasteride.
37 citations
,
January 1997 in “Clinics in Dermatology” Hair problems are common and distressing for women, but increasing knowledge of treatments offers hope.
26 citations
,
January 2020 in “Przegląd Menopauzalny” Menopausal women have higher androgen levels, which can cause symptoms like facial hair growth and low sexual desire.
1 citations
,
December 2018 in “Veterinary dermatology” The hair coat disorder in Schipperkes is similar to Alopecia X and involves increased androstenedione levels and hair cycle arrest.
May 2023 in “Journal of Clinical Medicine” New understanding and treatments for hair loss are improving, but more research is needed.
July 1998 in “Annals of saudi medicine/Annals of Saudi medicine” A misdiagnosed case of HAIR-AN syndrome led to unnecessary surgeries and highlighted the importance of correct diagnosis and treatment.
11 citations
,
June 2005 in “Postgraduate Medical Journal” Some infants temporarily grow scrotal hair, which usually disappears on its own without any health issues.
10 citations
,
January 2012 in “International Journal of Trichology” The study found no link between anxiety, vitamin B12, folate, TSH, ferritin, zinc levels, and trichodynia in telogen alopecia patients.
7 citations
,
May 2019 in “Journal of the Formosan Medical Association” HSD3B1 gene variant and being overweight linked to hair loss in women with polycystic ovary syndrome.
December 2018 in “Journal of Advances in VetBio Science and Techniques” Low testosterone might be a common cause of hair loss in male dogs.
29 citations
,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
9 citations
,
October 2018 in “Medical Science Monitor” Lowering certain hormone levels improves treatment for hair loss in young men.
6 citations
,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
May 2025 in “Egyptian Journal of Dermatology and Venerology” Certain gene changes and hormone levels are linked to female hair loss.
October 2017 in “Iranian Journal of Dermatology” Clinical exams are good for diagnosing some women's hair loss, but lab tests aren't always needed.
June 1995 in “International Journal of Gynecology & Obstetrics” Women with hair loss have higher androgen levels, while men with early balding have altered androgen ratios.
169 citations
,
November 2009 in “The Journal of Clinical Endocrinology & Metabolism” Prepubertal girls have higher sex steroid levels than boys, possibly leading to earlier puberty.
January 2023 in “Journal of applied animal research” Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.
September 2025 in “Online Türk Sağlık Bilimleri Dergisi” Low zinc and folate levels are linked to hair loss in children.
January 2023 in “Neuroscience applied” People with an imbalance between their cognitive and emotional empathy have lower levels of the hormone oxytocin in their hair.
Wildebeest stress and hormone levels are influenced by food availability, human presence, and reproductive cycles.
December 2022 in “Cureus” Hormones significantly influence hair growth, with conditions like hirsutism and patterned hair loss linked to hormone levels; more research is needed for full understanding.
56 citations
,
April 1998 in “Steroids” Finasteride reduces hair loss and treats BPH without major hormone changes, but may cause sexual dysfunction.
25 citations
,
May 2021 in “Journal of exposure science & environmental epidemiology/Journal of exposure science and environmental epidemiology” Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.
November 2023 in “International Journal of Trichology” No significant link between hair loss and iron or thyroid levels was found, but checking for deficiencies might still be useful.
September 2012 in “European journal of psychotraumatology” A new method accurately measures long-term hormone levels in hair.